Ownership history in XTX Topco Ltd Β· 6 quarters on record
This page tracks every 13F SEC filing in which XTX Topco Ltd reported a position in ATOMERA INC (ATOM). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β sourced directly from SEC EDGAR 13F filings.
π XTX Topco Ltd outperformed the S&P 500 by +99.0% annually on this ATOM position. Timing score: 0% (0/5 decisions correct). Average cost basis: $5.12. Maximum drawdown during holding period: β80.9%.
π₯ Exceptional β beat the S&P 500 by 99.0% per year on this position.
5 quarters analyzed
β οΈ Poor timing β buys often preceded drops, trims preceded rallies.
0 of 5 add/trim decisions correct
Best entry: $2.21 (2025 Q4) Β· Worst: $11.60 (2024 Q4)
πͺ Held through 2 major drawdowns (>20%).
4 adds Β· 2 trims. Bought during 1 of 3 down-price quarters. π More buys than sells across the holding period.
βοΈ Portfolio weight has remained relatively stable β conviction maintained.
Currently 0.01% of portfolio
β Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ 4 (annualised). Not investment advice.
As of 2025 Q4 β sorted by position size